Geison
Might be just a guess, but looks like the afghan/iranian civic coppers
Something like that:
https://www.zeno.ru/showphoto.php?photo=78083
Thank you, the side with the horse looks perfect but the other side it's kinda different. But in numista, this would be under Hamadan Sultanate from Seljha Dynasty?
Also, how can I find on that page (Zeno) more coins from Hamadan so I can find the best match? I'm not really used to identify old coins, thanks for help.
//I want to create the coin page on numista and that why I ask for details